<template>
	<div class="users">
		<!-- 面包屑导航 -->
		<el-breadcrumb separator=">">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>用户管理</el-breadcrumb-item>
			<el-breadcrumb-item>用户列表</el-breadcrumb-item>
		</el-breadcrumb>
		<!-- 卡片视图 -->
		<el-card>
			
			<el-row :gutter="20">
				<el-col :span="7">
					<el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
						<el-button icon="el-icon-search" slot="append" @click="getUserList"></el-button>
					</el-input>
				</el-col>
				<el-col :span="4">
					<el-button type="primary" @click="dialogVisible = true">添加用户</el-button>
				</el-col>
			</el-row>
		<!-- 用户列表 -->
			 <el-table :data="userlist" border stripe>
				<el-table-column type="index"></el-table-column>
				<el-table-column label="姓名" prop="username"></el-table-column>
				<el-table-column label="邮箱" prop="email"></el-table-column>
				<el-table-column label="电话" prop="mobile"></el-table-column>
				<el-table-column label="角色" prop="role_name"></el-table-column>
				<el-table-column label="状态">
					<template slot-scope="scope">
						<el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
					</template>
				</el-table-column>
				<el-table-column label="操作">
					<template slot-scope="scope">
						<!-- 修改按钮 -->
						<el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
						<!-- 删除按钮 -->
						<el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
						<!-- 分配角色按钮 -->
						<el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
						      <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
						</el-tooltip>
						
					</template>
				</el-table-column>
			</el-table>
		<!-- 分页 -->
		<el-pagination
		      @size-change="handleSizeChange"
		      @current-change="handleCurrentChange"
		      :current-page="queryInfo.pagenum"
		      :page-sizes="[1, 2, 5, 10]"
		      :page-size="queryInfo.pagesize"
		      layout="total, sizes, prev, pager, next, jumper"
		      :total="total">
		    </el-pagination>
		</el-card>
		<!-- 添加用户的对话框 -->
		<el-dialog
		  title="添加用户"
		  :visible.sync="dialogVisible"
		  width="30%"
			@close="addDialogClosed">
		  
		  <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
		    <el-form-item label="用户名" prop="username">
		      <el-input v-model="addForm.username"></el-input>
		    </el-form-item>
				<el-form-item label="密码" prop="password">
				  <el-input v-model="addForm.password"></el-input>
				</el-form-item>
				<el-form-item label="邮箱" prop="email">
				  <el-input v-model="addForm.email"></el-input>
				</el-form-item>
				<el-form-item label="手机" prop="mobile">
				  <el-input v-model="addForm.mobile"></el-input>
				</el-form-item>
			</el-form>
			
		 
		    <span slot="footer" class="dialog-footer">
		      <el-button @click="dialogVisible = false">取 消</el-button>
		      <el-button type="primary" @click="addUser">确 定</el-button>
		    </span>
		  
		</el-dialog>
		<!-- 修改用户对话框 -->
		<el-dialog
		  title="修改用户"
		  :visible.sync="editDialogVisible"
		  width="50%"
			@close="editDialogClosed"
		  >
			<!-- 主体区域 -->
		 <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
		   <el-form-item label="用户名">
		     <el-input v-model="editForm.username" disabled></el-input>
		   </el-form-item>
			 <el-form-item label="邮箱" prop="email">
			   <el-input v-model="editForm.email"></el-input>
			 </el-form-item>
			 <el-form-item label="手机号" prop="mobile">
			   <el-input v-model="editForm.mobile"></el-input>
			 </el-form-item>
			</el-form>
			
		  <!-- 按钮区域 -->
		    <span class="dialog-footer" slot="footer">
		      <el-button @click="editDialogVisible = false">取 消</el-button>
		      <el-button type="primary" @click="editUserInfo">确 定</el-button>
		    </span>
		  
		</el-dialog>
		<!-- 分配角色对话框 -->
		<el-dialog
		  title="分配角色"
		  :visible.sync="setRoleDialogVisible"
		  width="50%"
			@close="selectedRoleId = ''"
		 >
		 <!-- 主体区域 -->
		  <div>
				<p>当前的用户：{{userInfo.username}}</p>
				<p>当前的角色：{{userInfo.role_name}}</p>
				<p>分配新角色
					 <el-select v-model="selectedRoleId" placeholder="请选择">
					    <el-option
					      v-for="item in rolesList"
					      :key="item.id"
					      :label="item.roleName"
					      :value="item.id">
					    </el-option>
					  </el-select>
				</p>
			</div>
			<!-- 按钮区域 -->
		  <span slot="footer" class="dialog-footer">
		    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="saveRoleInfo()">确 定</el-button>
		  </span>
		</el-dialog>
	</div>
</template>

<script>
	export default {
		data() {
			//验证邮箱规则
			let checkEmail = (rule,value,cd) => {
				//验证邮箱的正则表达式
				const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
				if(regEmail.test(value)){
					//合法邮箱
					return cd()
				}
				cd(new Error('请输入合法的邮箱！'))
			}
			//验证手机号规则
			let checkMobile = (rule,value,cd) => {
				//验证手机号的正则表达式
				const regMoblie = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
				
				if(regMoblie.test(value)) {
					return cd()
				}
				cd(new Error('请输入有效的手机号！'))
			}
			
			return {
				//获取用户列表参数
				queryInfo:{
					query:'',
					//当前页数
					pagenum:1,
					pagesize:2
				},
				userlist:[],
				total:0,
				// 添加对话框的状态
				dialogVisible:false,
				// 添加用户表单数据
				addForm:{
					username:'',
					password:'',
					email:'',
					mobile:''
				},
				//添加表单验证规则对象
				addFormRules:{
					username:[
						{required:true,message:'请输入用户名',trigger:'blur'},
						{min:3,max:10,message:'用户名在3到10个长度之间',trigger:'blur'}
					],
					password:[
						{required:true,message:'请输入密码',trigger:'blur'},
						{min:6,max:15,message:'密码在6到15个长度之间',trigger:'blur'}
					],
					email:[
						{required:true,message:'请输入邮箱',trigger:'blur'},
						{validator:checkEmail,trigger:'blur'}
					],
					mobile:[
						{required:true,message:'请输入手机号',trigger:'blur'},
						{validator:checkMobile,trigger:'blur'}
					]
				},
				//控制修改对话框的显示与隐藏
				editDialogVisible:false,
				//id查询到的用户信息对象
				editForm:{},
				//修改表单验证规则对象
				editFormRules:{
					email:[
						{required:true,message:'请输入邮箱',trigger:'blur'},
						{validator:checkEmail,trigger:'blur'}
					],
					mobile:[
						{required:true,message:'请输入手机号',trigger:'blur'},
						{validator:checkMobile,trigger:'blur'}
					]
				},
				//分配角色对话框开关
				setRoleDialogVisible:false,
				//当前用户信息
				userInfo:{},
				//所有角色
				rolesList:[],
				//分配的角色
				selectedRoleId:''
			}
		},
		created() {
			this.getUserList()
		},
		methods:{
			async getUserList() {
				const {data:res} = await this.$http.get('users',{params:this.queryInfo})
				if(res.meta.status !== 200){
					return this.$message.error('获取用户数据列表失败！')
				}else {
					this.userlist = res.data.users
					this.total = res.data.total
				}
				
			},
			//监听 pagesize 改变事件
			handleSizeChange(newSize) {
				this.queryInfo.pagesize = newSize
				this.getUserList()
			},
			//监听页码值改变事件
			handleCurrentChange(newSize) {
				this.queryInfo.pagenum = newSize
				this.getUserList()
			},
			//监听switch开关状态改变
			async userStateChanged(userinfo) {
				const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
				if(res.meta.status !== 200) {
					userinfo.mg_state = !userinfo.mg_state
					return this.$message.error('更新失败！')
				}else {
					this.$message.success('更新状态成功！')
				}
			},
			// 监听添加对话框关闭时
			addDialogClosed() {
				this.$refs.addFormRef.resetFields()
			},
			//点击添加对话框确定按钮
			addUser() {
				this.$refs.addFormRef.validate(async valid => {
					if(!valid)return
					//发起网络请求
					const {data:res} = await this.$http.post('users',this.addForm)
					if(res.meta.status !== 201) {
						this.$message.error('添加用户失败！')
					}else {
						this.$message.success('添加用户成功！')
						this.dialogVisible = false
						//重新获取用户列表
						this.getUserList()
					}
					
				})
			},
			//点击修改按钮
			async showEditDialog(id) {
				const {data:res} = await this.$http.get('users/' + id)
				if(res.meta.status !== 200) {
					return this.$message.error('查询用户信息失败！')
				}else {
					this.editForm = res.data
				}
				this.editDialogVisible = true
			},
			//监听修改用户对话框的关闭事件
			editDialogClosed() {
				this.$refs.editFormRef.resetFields()
			},
			//修改用户信息并提交
			editUserInfo() {
				 this.$refs.editFormRef.validate(async valid => {
					if(!valid) {
						return
					}else {
						const {data:res} = await this.$http.put('users/' + this.editForm.id,{email:this.editForm.email,
						mobile:this.editForm.mobile})
						if(res.meta.status !== 200) {
							return this.$message.error('数据获取失败！')
						}else {
							this.editDialogVisible = false
							this.getUserList()
							this.$message.success('用户信息修改成功')
						}
					}
				})
			},
			//根据id删除对应用户信息
			async removeUserById(id) {
				 const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
				    confirmButtonText: '确定',
				    cancelButtonText: '取消',
				    type: 'warning'
				  }).catch(err => err)
					if(confirmResult !== 'confirm') {
						return this.$message.info('已取消删除')
					}else {
						const {data:res} = await this.$http.delete('users/' + id)
						if(res.meta.status !== 200) {
							return this.$message.error('删除用户失败，请检查网络')
						}else {
							return this.$message.success('已删除该用户')
							this.getUserList()
						}
					}
					
			},
			// 分配按钮点击事件
			async setRole(userInfo) {
				this.userInfo = userInfo
				const {data:res} = await this.$http.get('roles')
				if(res.meta.status !== 200) {
					return this.$message.error('获取角色列表失败！')
				}else {
					this.rolesList = res.data
				  this.$message.success('获取角色列表成功')
					
				}
				this.setRoleDialogVisible = true
			},
			
			// 点击按钮分配角色
			async saveRoleInfo() {
				
				if(!this.selectedRoleId) {
					return this.$message.error('请选择要分配的角色')
				}else {
					const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
					if(res.meta.status !== 200) {
						return this.$message.error('更新角色失败！')
					}else {
						this.getUserList()
						this.$message.success('角色更新成功')
						this.setRoleDialogVisible = false
					}
				}
				
				
			}
			 
		}
	}
</script>

<style scoped>
	.el-breadcrumb {
		margin-bottom: 15px;
		font-size: 12px;
	}

	.el-card {
		box-shadow: 0 1px 1px rgba(0, 0, 0, .15) !important;
	}
	.el-table {
		margin-top: 15px;
		font-size: 12px;
	}
	.el-pagination {
		margin-top: 15px;
	}
</style>
